July 16.1945-The world's first atomic bomb explosion
July 16, 1945 (, Yiyou June eighth day), the world's first atomic bomb explosion.
first atomic bomb in the New Mexico desert successfully detonated
1939, the splitting of the atom in the field of physics experiment had been a success in Germany. The eve of World War II, and emigrated to the United States to escape the German fascist persecution some scientists worried that Germany is the first to create the atomic bomb, elected the world-famous physicist Albert Einstein letter to U.S. President Franklin D. Roosevelt, recommended the strengthening of the nuclear fission process to manufacture super bomb. Einstein and other scientists recommendations adopted by President Roosevelt ordered the establishment of a committee to study atomic weapons. After the occurrence of the attack on Pearl Harbor in December 1941, the United States has accelerated the process of the development of the atomic bomb. Implementation of the ambitious program named "Manhattan Project" in 1942, has overall responsibility for the development of the atomic bomb by the U.S. Army Corps of Engineers. The plans to invest $ 2.5 billion to spend over 10 million scientific and technical personnel and workers, stepping up development in the case of absolute confidentiality. In the early morning of July 16, 1945, the first atomic bomb exploded in the desert regions of the United States the New Mexico 阿拉默多尔 Air Force Base is successful, its power of 1500-2000 tons of TNT equivalent. Atomic bomb the advent of a major scientific and technological achievements of this century to affect the course of human history, thus, mankind has entered the nuclear age.
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